#31B05A#31B05A

#31B05A is a light, vivid green. Relative luminance 0.324; OKLCH L 66.9% C 0.165 H 149.7°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#31B05A
RGB	rgb(49, 176, 90)
HSL	hsl(139, 56%, 44%)
HSV	hsv(139, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 48.9%, 31%)
CIE-LAB	lab(63.70, -53.08, 34.24)
CIE-LCH	lch(63.70, 63.17, 147.17°)
OKLab	oklab(66.92% -0.1428 0.0834)
OKLCH	oklch(66.92% 0.165 149.7)
XYZ	xyz(18.6359, 32.4397, 14.9502)
Luminance	0.3244 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B05A #B03187

analogous

#48B031 #31B05A #31B09A

triadic

#31B05A #5A31B0 #B05A31

tetradic

#31B05A #3148B0 #B03187 #B09A31

square

#31B05A #3148B0 #B03187 #B09A31

split-complementary

#31B05A #9A31B0 #B03148

monochromatic

#165029 #248042 #31B05A #50CE79 #80DC9D

Accessibility & contrast

On white

2.80

#31B05A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#31B05A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B05A

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B05A	#FFFFFF	#000000	##000000
##31B05A	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A153

Deuteranopia (green-blind)

#A29660

Tritanopia (blue-blind)

#00AD9C

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b05a;
/* rgb */ color: rgb(49, 176, 90);
/* oklch */ color: oklch(66.9% 0.165 149.7);

Tailwind

colors: {
  custom: {
    50: '#7bc98a',
    500: '#31b05a',
    950: '#000000',
  },
}

SCSS

$custom: #31b05a;
$custom-light: #7bc98a;
$custom-dark: #000000;

JSON

{
  "hex": "#31b05a",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 90
  },
  "hsl": {
    "h": 139.37,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66922,
    "c": 0.1654,
    "h": 149.7
  },
  "luminance": 0.32442
}

Semantic roles & 50–950 ramp

primary

#31B05A

secondary

#C578AC

accent

#48AFE0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B05A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →